void ClientSktUdp::newData()
{
QUdpSocket* s = qobject_cast<QUdpSocket*>(sender());
if (!s) return;
qint64 bufLen = s->bytesAvailable();
char* buf = TK::createBuffer(bufLen, MAXBUFFER);
if (!buf) return;
qint64 readLen = 0;
qint64 ioLen = s->read(buf, bufLen);
while (ioLen > 0)
{
readLen += ioLen;
ioLen = s->read(buf+readLen, bufLen-readLen);
}
if (ioLen >= 0)
{
recordRecv(readLen);
dump(buf, readLen, false);
}
TK::releaseBuffer(buf);
}
// TODO: sendCommand should only take one argument. The second is redundant.
inline static void sendCommand(
ScreenCommand & command,
ScreenCommand::WaitMode wait = ScreenCommand::WAIT_BEFORE_UPDATE)
{
// qDebug("sendCommand at %s", qPrintable(QTime::currentTime().toString("mm:ss.zzz")));
command.wait_flags = wait;
socket_.write(reinterpret_cast<const char *>(&command), sizeof(command));
if (wait & ScreenCommand::WAIT_COMMAND_FINISH)
{
if (socket_.waitForReadyRead(3000))
{
socket_.read(reinterpret_cast<char *>(&command), sizeof(command));
}
}
}
void tst_QUdpSocket::writeToNonExistingPeer()
{
QSKIP("Connected-mode UDP sockets and their behaviour are erratic", SkipAll);
QFETCH(QHostAddress, peerAddress);
quint16 peerPort = 34534;
qRegisterMetaType<QAbstractSocket::SocketError>("QAbstractSocket::SocketError");
QUdpSocket sConnected;
QSignalSpy sConnectedReadyReadSpy(&sConnected, SIGNAL(readyRead()));
QSignalSpy sConnectedErrorSpy(&sConnected, SIGNAL(error(QAbstractSocket::SocketError)));
sConnected.connectToHost(peerAddress, peerPort, QIODevice::ReadWrite);
// the first write succeeds...
QCOMPARE(sConnected.write("", 1), qint64(1));
// the second one should fail!
QTest::qSleep(1000); // do not process events
QCOMPARE(sConnected.write("", 1), qint64(-1));
QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError));
// the third one will succeed...
QCOMPARE(sConnected.write("", 1), qint64(1));
QTestEventLoop::instance().enterLoop(1);
QCOMPARE(sConnectedReadyReadSpy.count(), 0);
QCOMPARE(sConnectedErrorSpy.count(), 1);
QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError));
// we should now get a read error
QCOMPARE(sConnected.write("", 1), qint64(1));
QTest::qSleep(1000); // do not process events
char buf[2];
QVERIFY(!sConnected.hasPendingDatagrams());
QCOMPARE(sConnected.bytesAvailable(), Q_INT64_C(0));
QCOMPARE(sConnected.pendingDatagramSize(), Q_INT64_C(-1));
QCOMPARE(sConnected.readDatagram(buf, 2), Q_INT64_C(-1));
QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError));
QCOMPARE(sConnected.write("", 1), qint64(1));
QTest::qSleep(1000); // do not process events
QCOMPARE(sConnected.read(buf, 2), Q_INT64_C(0));
QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError));
// we should still be connected
QCOMPARE(int(sConnected.state()), int(QUdpSocket::ConnectedState));
}
int udp_ping(QStringList command) {
qDebug() << "udp_ping(" << command.join(" ") << ")" << endl;
qDebug() << "udp_ping(" << command.join(" ") << ")" << endl;
/**
* Check input
*/
QTextStream errorStream(stderr);
if(command.size() != 3 || command.at(0)!="ping" || command.at(1)!="udp" ) {
errorStream << "Error: udp_ping(" << command.join(" ") << ") is no valid call (ping udp <ip_address> <port> rzv|max|random|default)" << endl;
return 1;
}
/**
* <functionality>
*/
QByteArray byteArray;
/**
* CIP for "rzv"
*/
if(command.at(2)=="rzv") {
qDebug() << "rzv" << endl;
byteArray.append(QByteArray(42, '\0'));
}
/**
* Sent via TCP
*/
QUdpSocket *udpSocket;
udpSocket = new QUdpSocket();
QTextStream outStream(stdout);
QString out;
udpSocket->abort();
udpSocket->connectToHost("127.0.0.1", 22366);
qDebug() << "waitForConnected!";
if (udpSocket->waitForConnected(5000)) {
qDebug() << "Connected!";
}
else {
errorStream << "Error: udp_ping(" << command.join(" ") << "): No connection available!" << endl;
return 1;
}
qDebug() << QString("BytesWritten: %1").arg(udpSocket->write(byteArray, byteArray.length()));
udpSocket->flush();
int numRead = 0, numReadTotal = 0;
char buffer[MAXMSG];
forever {
numRead = udpSocket->read(buffer, MAXMSG);
qDebug() << "read buffer: " << numRead;
numReadTotal += numRead;
if (numRead <= 0 && !udpSocket->waitForReadyRead(30))
break;
}
qDebug() << numReadTotal << " bytes red";
if(numReadTotal==-1) {
errorStream << "Error: udp_ping(" << command.join(" ") << "): " << udpSocket->errorString() << endl;
return 1;
}
else {
for(int i=0; i < numReadTotal; i++) {
qDebug() << QString("receipt[%1]: %2\n").arg(i).arg(buffer[i], 8, 2, QLatin1Char('0')) << endl;;
}
QByteArray receipt(buffer);
qDebug() << "receipt.size(): " << receipt.size();
for(int i = 0; i < receipt.size();++i) {
qDebug() << QString("receipt[%1]: %2\n").arg(i).arg(receipt.at(i), 8, 2, QLatin1Char('0')) << endl;;
}
qDebug() << "buffer: " << buffer;
}
udpSocket->disconnectFromHost();
udpSocket->close();
outStream << out << endl;
return 0;
}